{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-43445","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-05-01T14:12:56.010Z","datePublished":"2026-05-08T14:22:12.660Z","dateUpdated":"2026-05-11T22:24:43.676Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T22:24:43.676Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ne1000/e1000e: Fix leak in DMA error cleanup\n\nIf an error is encountered while mapping TX buffers, the driver should\nunmap any buffers already mapped for that skb.\n\nBecause count is incremented after a successful mapping, it will always\nmatch the correct number of unmappings needed when dma_error is reached.\nDecrementing count before the while loop in dma_error causes an\noff-by-one error. If any mapping was successful before an unsuccessful\nmapping, exactly one DMA mapping would leak.\n\nIn these commits, a faulty while condition caused an infinite loop in\ndma_error:\nCommit 03b1320dfcee (\"e1000e: remove use of skb_dma_map from e1000e\ndriver\")\nCommit 602c0554d7b0 (\"e1000: remove use of skb_dma_map from e1000 driver\")\n\nCommit c1fa347f20f1 (\"e1000/e1000e/igb/igbvf/ixgb/ixgbe: Fix tests of\nunsigned in *_tx_map()\") fixed the infinite loop, but introduced the\noff-by-one error.\n\nThis issue may still exist in the igbvf driver, but I did not address it\nin this patch."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/intel/e1000/e1000_main.c","drivers/net/ethernet/intel/e1000e/netdev.c"],"versions":[{"version":"c1fa347f20f17f14a4a1575727fa24340e8a9117","lessThan":"7eaeb778bfaa3b2a804f89321c234d59c74569db","status":"affected","versionType":"git"},{"version":"c1fa347f20f17f14a4a1575727fa24340e8a9117","lessThan":"0606c24a745bafd1be5d66c48361638cd9cad74b","status":"affected","versionType":"git"},{"version":"c1fa347f20f17f14a4a1575727fa24340e8a9117","lessThan":"519051c711dfd239ef6e4b28878efee400a035f9","status":"affected","versionType":"git"},{"version":"c1fa347f20f17f14a4a1575727fa24340e8a9117","lessThan":"0a1fc25deabab4efce64610e3c449485c4fa8f5f","status":"affected","versionType":"git"},{"version":"c1fa347f20f17f14a4a1575727fa24340e8a9117","lessThan":"fa5ba9867a55e640df0dc79bf0199770fb043f03","status":"affected","versionType":"git"},{"version":"c1fa347f20f17f14a4a1575727fa24340e8a9117","lessThan":"30e87ade8d678c25a8546cf38c0b498fa5cb27d3","status":"affected","versionType":"git"},{"version":"c1fa347f20f17f14a4a1575727fa24340e8a9117","lessThan":"10b5e65959e955a1c8894e0a5413944b5a70204a","status":"affected","versionType":"git"},{"version":"c1fa347f20f17f14a4a1575727fa24340e8a9117","lessThan":"e94eaef11142b01f77bf8ba4d0b59720b7858109","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/intel/e1000/e1000_main.c","drivers/net/ethernet/intel/e1000e/netdev.c"],"versions":[{"version":"2.6.33","status":"affected"},{"version":"0","lessThan":"2.6.33","status":"unaffected","versionType":"semver"},{"version":"5.10.253","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.203","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.167","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.130","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.78","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.19","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19.9","lessThanOrEqual":"6.19.*","status":"unaffected","versionType":"semver"},{"version":"7.0","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.33","versionEndExcluding":"5.10.253"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.33","versionEndExcluding":"5.15.203"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.33","versionEndExcluding":"6.1.167"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.33","versionEndExcluding":"6.6.130"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.33","versionEndExcluding":"6.12.78"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.33","versionEndExcluding":"6.18.19"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.33","versionEndExcluding":"6.19.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.33","versionEndExcluding":"7.0"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/7eaeb778bfaa3b2a804f89321c234d59c74569db"},{"url":"https://git.kernel.org/stable/c/0606c24a745bafd1be5d66c48361638cd9cad74b"},{"url":"https://git.kernel.org/stable/c/519051c711dfd239ef6e4b28878efee400a035f9"},{"url":"https://git.kernel.org/stable/c/0a1fc25deabab4efce64610e3c449485c4fa8f5f"},{"url":"https://git.kernel.org/stable/c/fa5ba9867a55e640df0dc79bf0199770fb043f03"},{"url":"https://git.kernel.org/stable/c/30e87ade8d678c25a8546cf38c0b498fa5cb27d3"},{"url":"https://git.kernel.org/stable/c/10b5e65959e955a1c8894e0a5413944b5a70204a"},{"url":"https://git.kernel.org/stable/c/e94eaef11142b01f77bf8ba4d0b59720b7858109"}],"title":"e1000/e1000e: Fix leak in DMA error cleanup","x_generator":{"engine":"bippy-1.2.0"}}}}